Replace composer with copy of classmap generator (#1313)

* Replace composer with copy of classmap generator

* composer fix-style

* Remove phpcleaner

* composer fix-style

* Use filecleaner copy

* composer fix-style

Co-authored-by: laravel-ide-helper <[email protected]>

Author: barryvdh

composer.json

@@ -23,7 +23,7 @@
         "php": "^7.3 || ^8.0",
         "ext-json": "*",
         "barryvdh/reflection-docblock": "^2.0.6",
-        "composer/composer": "^1.10.23 || ^2.1.9",
+        "composer/pcre": "^1.0",
         "doctrine/dbal": "^2.6 || ^3",
         "illuminate/console": "^8 || ^9",
         "illuminate/filesystem": "^8 || ^9",
@@ -58,7 +58,10 @@
         }
     },
     "config": {
-        "sort-packages": true
+        "sort-packages": true,
+        "allow-plugins": {
+            "composer/package-versions-deprecated": true
+        }
     },
     "extra": {
         "branch-alias": {